JK Shin, President and Head of IT and Mobile Communications for Samsung Electronics, presents the new Samsung Galaxy S 4 during the Samsung Unpacked event at Radio City Music Hall, Thursday, March 14, 2013 in New York.

Source : AP

The new Samsung Galaxy S 4 is presented during the Samsung Unpacked event at Radio City Music Hall, Thursday, March 14, 2013 in New York.

Source : AP

The new Samsung Galaxy S 4 is on display during the Samsung Unpacked event at Radio City Music Hall, Thursday, March 14, 2013 in New York.

Source : AP

Attendees try out the new Samsung Galaxy S 4 during the Samsung Unpacked event at Radio City Music Hall, Thursday, March 14, 2013 in New York.

Source : Getty Images

A Samsung employee displays the Samsung Galaxy S IV for a photo March 14, 2013 in New York City. Samsung, the world's largest handset maker, revealed their successor to the Galaxy S III. The Galaxy S IV features a five-inch 1080p screen, a 1.9GHz quad-core processor, a 13-megapixel rear camera and ships with the latest Android version, Jelly Bean.

Source : Getty Images

The Samsung Galaxy S IV on display March 14, 2013 in New York City. Samsung, the world's largest handset maker, revealed their successor to the Galaxy S III.

Source : AP

Attendees try out the new Samsung Galaxy S 4 during the Samsung Unpacked event at Radio City Music Hall, Thursday, March 14, 2013 in New York.

Source : AFP

Samsung's Galaxy S4 is unveiled on March 14, 2013 at Radio City Music Hall in New York. The slim, feature-rich Galaxy S4 was introduced as Samsung's new champion in the fiercely competitive smartphone arena, scheduled to roll out in 155 countries in late April.

Source : AFP

People check out Samsung's new Galaxy S4 during its unveiling on March 14, 2013 at Radio City Music Hall in New York.